6 static size_t read_frames(void **frames)  in read_frames()  argument
36     *frames = malloc(frame_size * frames_per_sec);  in read_frames()
37     if (*frames == NULL) {  in read_frames()
38         fprintf(stderr, "failed to allocate frames\n");  in read_frames()
43     int read_count = pcm_readi(pcm, *frames, frames_per_sec);  in read_frames()
52 static int write_file(const void *frames, size_t size)  in write_file()  argument
59     fwrite(frames, 1, size, output_file);  in write_file()
66     void *frames = NULL;  in main()  local
69     size = read_frames(&frames);  in main()
74     if (write_file(frames, size) < 0) {  in main()
75         free(frames);  in main()
79     free(frames);  in main()